Sentences with phrase «rising warm tropical air»

When polar air dipping southward collides with rising warm tropical air, the meet - up causes a powerful atmospheric wave with rollercoaster - like patterns that propagate eastward around the globe.

Not exact matches

The Walker circulation refers to the mean (steady) ciculation where air over the warm pool in the western part of the tropical Pacific rises, being fed by the easterly surface trade winds across the Pacific, and subsidence over eastern Pacific.

Normally in the tropical Pacific, a major area of rising air is found over the western portions, where the warmest waters are found.

All of these ingredients — warm water, westerly winds, and rising air — have made for a very favorable tropical cyclone environment.

All that extra heat in the tropical Pacific Ocean warms up the atmosphere above it, leading to more rising air, which changes the circulation all around the globe.

As the air rises, it expands and cools, and water vapour condenses, releasing even more heat,» much like how a hurricane frees energy by drawing warm humid air from its base (usually tropical sea water) and then releasing cold, wet air 7 miles (12 kilometers) up in the troposphere.

Hurricanes (Fig. 7) and other tropical cyclones can be thought of as heat engines that take energy in by evaporating warm ocean water, and eject it at a colder temperature near the tropopause after air rises and water condenses in the eyewall [14].

This somewhat migratory zone was the Silurian intertropical convergence zone (ITCZ), where the convergence of Northern and Southern Hemispheric trade winds caused the warm tropical air to rise, which in turn produced regular cloud cover and precipitation.